Marcus Welby
Robert Young
Steven Kiley
James Brolin
Kenji Yamashita
Richard Loo
Larry Linville
Ben Wright
Ron Stokes
Allison McKay
Craig Littler
Sheila Rogers
Fran Ryan
Myra Sherwood
Anne Baxter
Tina Sawyer
Susan Strasberg
Dr. Andrew Swanson
Lew Ayres
Tiny Baker
Tom Bosley
Lew Sawyer
Pete Duel
Sandy Welby
Sheila Larken
Ray Wells
Mercer Harris
Consuelo Guadalupe-Lopez
Penny Santon
Original Music Composer
Leonard Rosenman
Director
David Lowell Rich
Producer
David J. O'Connell
Writer
Don Mankiewicz
Art Direction
George Patrick
Editor
Gene Palmer
Executive Producer
David Victor
Director of Photography
Russell Metty